Radiation detector



FIG. 1 is a perspective view of the radiation detector of the present design;

FIG. 2 is front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a referential drawing explaining a display thereof whereon a measured value is indicated is translucent. 

CLAIM The ornamental design for a radiation detector, as shown and described. 